Home / 3,927.70-5,426.10-2,586.49

Finding the Fourth Proportional to 3,927.70, 5,426.10 and 2,586.49

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Solution

The fourth proportional to 3,927.70, 5,426.10 and 2,586.49 is: 3,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.70 : 5,426.10 = 2,586.49 : x
  2. Step 2: Convert to fraction form
    3,927.70/5,426.10 = 2,586.49/x
  3. Step 3: Cross multiply
    3,927.70x = 5,426.10 × 2,586.49
  4. Step 4: Simplify right side
    3,927.70x = 14,034,553.39
  5. Step 5: Solve for x
    x = 14,034,553.39/3,927.70
  6. Step 6: Final answer
    x = 3,573.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.